Search a number
-
+
1240332212101 is a prime number
BaseRepresentation
bin10010000011001001100…
…011111001011110000101
311101120111212212202210211
4102003021203321132011
5130310200021241401
62345444543515421
7155416405564153
oct22031143713605
94346455782724
101240332212101
1143902721aa94
121804748b8b71
138cc69435b78
1444064c923d3
15223e5945951
hex120c98f9785

1240332212101 has 2 divisors, whose sum is σ = 1240332212102. Its totient is φ = 1240332212100.

The previous prime is 1240332212099. The next prime is 1240332212143. The reversal of 1240332212101 is 1012122330421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232879343201 + 7452868900 = 1110351^2 + 86330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240332212101 - 21 = 1240332212099 is a prime.

Together with 1240332212099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240332512101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620166106050 + 620166106051.

It is an arithmetic number, because the mean of its divisors is an integer number (620166106051).

Almost surely, 21240332212101 is an apocalyptic number.

It is an amenable number.

1240332212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240332212101 is an equidigital number, since it uses as much as digits as its factorization.

1240332212101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1240332212101 its reverse (1012122330421), we get a palindrome (2252454542522).

The spelling of 1240332212101 in words is "one trillion, two hundred forty billion, three hundred thirty-two million, two hundred twelve thousand, one hundred one".